pub unsafe extern "system" fn CryptMsgCountersignEncoded(
    dwencodingtype: u32,
    pbsignerinfo: *const u8,
    cbsignerinfo: u32,
    ccountersigners: u32,
    rgcountersigners: *const CMSG_SIGNER_ENCODE_INFO,
    pbcountersignature: *mut u8,
    pcbcountersignature: *mut u32,
) -> BOOL